{
  "url": "https://openlegislation.uk/oil-and-fibre-plant-seeds-regulations-1993/schedule-4/paragraph-8",
  "json_url": "https://openlegislation.uk/oil-and-fibre-plant-seeds-regulations-1993/schedule-4/paragraph-8.json",
  "legislation": "uksi/1993/2007",
  "legislation_title": "The Oil and Fibre Plant Seeds Regulations 1993",
  "legislation_url": "https://openlegislation.uk/oil-and-fibre-plant-seeds-regulations-1993",
  "path": "schedule/4/paragraph/8",
  "kind": "paragraph",
  "number": "8",
  "heading": "Standards for varietal purity",
  "text": "The crop shall have sufficient varietal identity and varietal purity. In particular—\n(a) for crops of swede rape (other than varieties to be used solely for fodder purposes), turnip rape (other than varieties to be used solely for fodder purposes), soya bean, flax, linseed, sunflower (other than hybrid varieties including their components) and white mustard the minimum varietal purity standards shall be:—\nMinimum varietal purity (percentage by number)\nBasic Seed\nCertified Seed or Certified Seed of the First Generation\nCertified Seed of the Second or Third Generation\n* For swede rape and turnip rape of varieties to be used solely for fodder purposes the standards shall be 99.7 per cent for Basic Seed and 99 per cent for Certified Seed.\nSwede rape and Turnip rape\n99.9\n99.7\n—\nSoya bean\n97.0\n95.0\n95.0\nFlax and Linseed\n99.7\n98.0\n97.5\nSunflower and White mustard\n99.7\n99.0\n—\n(b) In crops of brown mustard and black mustard the number of plants of the crop species which are recognisable as obviously not being true to the variety shall not exceed—\n(i) one plant in 30 sq m for the production of Basic Seed, and\n(ii) one plant in 10 sq m for the production of Certified Seed.\n(c) A crop of an inbred line of sunflower shall have sufficient identity and purity as regards its characteristics. For the production of seed of hybrid varieties of sunflower the characteristics of sufficient identity and purity shall extend to its components, including male sterility or fertility restoration.\n(d) In the case of hybrid of sunflower—\n(i) the percentage by number of plants which are recognisable as obviously not being true to the inbred line or to the component shall not exceed—\n(aa) for the production of Basic Seed\n(A) inbred lines, 0.2\n(B) simple hybrids—\nmale parents, plants which have shed pollen while 2% or more of the female plants have receptive flowers, 0.2\nfemale parent, 0.5\n(bb) for the production of Certified Seed—\nmale component, plants which have shed pollen while 5% or more of the female plants have receptive flowers, 0.5\nfemale component, 1.0\n(ii) for the production of seed hybrid varieties the following standards shall be satisfied—\n(aa) sufficient pollen shall be shed by the plants of the male component while the plants of the female component are in flower;\n(bb) where the female component plants have receptive stigmas, the percentage by number of female component plants which have shed pollen or are shedding pollen shall not exceed 0.5;\n(cc) for the production of Basic Seed the total percentage by number of plants of the female component which are recognisable as obviously not being true to the component and which have shed pollen or are shedding pollen shall not exceed 0.5%;\n(dd) where a male-sterile component has been used to produce Certified Seed by using a male component which contains a specific restorer line or lines, at least one-third of the plants grown from the resulting hybrid shall produce pollen which appears normal in all aspects.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "* For swede rape and turnip rape of varieties to be used solely for fodder purposes the standards shall be 99.7 per cent for Basic Seed and 99 per cent for Certified Seed."
    }
  ],
  "outstanding_effects": [
    {
      "type": "added (W)",
      "affecting": "wsi/2003/2529",
      "affecting_title": "The Oil and Fibre Plant Seeds (Amendment) (Wales) Regulations 2003"
    },
    {
      "type": "added (W)",
      "affecting": "wsi/2003/2529",
      "affecting_title": "The Oil and Fibre Plant Seeds (Amendment) (Wales) Regulations 2003"
    },
    {
      "type": "am (W)",
      "affecting": "wsi/2003/2529",
      "affecting_title": "The Oil and Fibre Plant Seeds (Amendment) (Wales) Regulations 2003"
    },
    {
      "type": "am (W)",
      "affecting": "wsi/2003/2529",
      "affecting_title": "The Oil and Fibre Plant Seeds (Amendment) (Wales) Regulations 2003"
    },
    {
      "type": "added (W)",
      "affecting": "wsi/2003/2529",
      "affecting_title": "The Oil and Fibre Plant Seeds (Amendment) (Wales) Regulations 2003"
    },
    {
      "type": "added (S)",
      "affecting": "ssi/2003/304",
      "affecting_title": "The Oil and Fibre Plant Seeds Amendment (Scotland) Regulations 2003"
    },
    {
      "type": "added (S)",
      "affecting": "ssi/2003/304",
      "affecting_title": "The Oil and Fibre Plant Seeds Amendment (Scotland) Regulations 2003"
    },
    {
      "type": "am (S)",
      "affecting": "ssi/2003/304",
      "affecting_title": "The Oil and Fibre Plant Seeds Amendment (Scotland) Regulations 2003"
    },
    {
      "type": "am (S)",
      "affecting": "ssi/2003/304",
      "affecting_title": "The Oil and Fibre Plant Seeds Amendment (Scotland) Regulations 2003"
    },
    {
      "type": "added (S)",
      "affecting": "ssi/2003/304",
      "affecting_title": "The Oil and Fibre Plant Seeds Amendment (Scotland) Regulations 2003"
    }
  ],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1993/2007/schedule/4/paragraph/8",
    "retrieved_at": "2026-10-29T13:52:09.105490+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}